<!doctype html>
<html lang="zh-cn">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Question</title>
</head>
<body>
<div><h1>我是原生的html</h1></div>
<button onclick="openPhoto()">打开相册</button>
</body>
<script>
    function changeText(str) {
    const h1 = document.querySelector('h1')
    h1.innerHTML = str
    }

    function openPhoto(){
        // 打开相册
        registerInfo.openPhoto()
    }

</script>
</html>